<template>
  <view v-if="goods_info.goods_name" class="goods-detail-container">
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in goods_info.pics" :key="i">
        <image :src="item.pics_big" @click="preview(i)"></image>
      </swiper-item>
    </swiper>
    <!-- 商品信息qu-->
    <view class="goods-info-box">
      <!-- 商品价格 -->
      <view class="price">￥{{goods_info.goods_price}}</view>
      <!-- 信息主体区域 -->
      <view class="goods-info-body">
        <!-- 商品名字 -->
        <view class="goods-name">
          {{goods_info.goods_name}}
        </view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="yf">快递:免运费</view>
    </view>
    <!--图文详情 -->
    <rich-text :nodes="goods_info.goods_introduce"></rich-text>
    <!-- 商品导航组件区域 -->
    <view class="goods_nav">
        <uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick" />
    </view>
  </view>
</template>

<script>
  import {mapState,mapMutations,mapGetters} from 'vuex'
 
  export default {
    computed: {
    ...mapState('m_cart',[]),
    ...mapGetters('m_cart',['total'])
  },
  watch:{
    total:{
      handler(newValue){
      const findResult = this.options.find(x=>x.text === '购物车')
      if(findResult){
        findResult.info = newValue
      }
    },
    immediate: true
    }
  },
    data() {
      return {
        goods_info:{},
        options: [{
              icon: 'shop',
              text: '店铺'
            }, {
              icon: 'cart',
              text: '购物车',
              info: 0
            }],
            // 右侧按钮组的配置对象
            buttonGroup: [{
                text: '加入购物车',
                backgroundColor: '#ff0000',
                color: '#fff'
              },
              {
                text: '立即购买',
                backgroundColor: '#ffa200',
                color: '#fff'
              }
            ]
      };
    },
    onLoad(options) {
        const goods_id = options.goods_id
        this.getGoodsDetail(goods_id)
    },
    methods:{
      async getGoodsDetail(goods_id){
        const {data:res} = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
        if(res.meta.status !== 200) return uni.$showMsg()
        
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g, '<img style="display:block;" ').replace(/webp/g, 'jpg')
        
        this.goods_info = res.message
      },
      preview(i){
        uni.previewImage({
          current: i,
          urls: this.goods_info.pics.map(x=>x.pics_big)
        })
      },
      onClick(e){
        if(e.content.text === '购物车'){
          uni.switchTab({
            url:'/pages/cart/cart'
          })
        }
      },
      ...mapMutations('m_cart',['addToCart']),
      buttonClick(e){
        if(e.content.text === '加入购物车'){
          //组织商品的信息对象
          const goods = {
            goods_id: this.goods_info.goods_id,
            goods_name: this.goods_info.goods_name,
            goods_price:this.goods_info.goods_price,
            goods_count: 1,
            goods_small_logo:this.goods_info.goods_small_logo,
            goods_state: true
          }
          
          this.addToCart(goods)
        }
      }
    }
  }
</script>

<style lang="scss">
swiper{
  height: 750px;
  image{
    width: 100%;
    height: 100%;
  }
}

.goods-info-box{
  padding: 10px;
  padding-right: 0;
  .price{
    color: #C00000;
    font-size: 18px;
    margin: 10px 0;
  }
  .goods-info-body{
      display: flex;
      justify-content: space-between;
    .goods-name{
      font-size: 13px;
      margin-right: 10px;
    }
    .favi{
      width: 120px;
      font-size: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      border-left: 1px solid #efefef;
      color: gray;
    }
  }
  .yf{
    font-size: 12px;
    color: gray;
    margin: 10px 0;
  }
}
.goods_nav{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
.goods-detail-container{
  padding-bottom: 50px;
}
</style>
